We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe origin and evolution of operons: the piecewise building of the proteobacterial histidine operon.AuthorsFani R; Brilli M; Liò PPublicationJournal of molecular evolution, 2005, Vol 60, Issue 3, p378ISSN0022-2844Publication typearticleDOI10.1007/s00239-004-0198-1